From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC07DC11F64 for ; Tue, 29 Jun 2021 02:35:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C63DE61D05 for ; Tue, 29 Jun 2021 02:35:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231332AbhF2Chg (ORCPT ); Mon, 28 Jun 2021 22:37:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:58240 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231719AbhF2Chf (ORCPT ); Mon, 28 Jun 2021 22:37:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id ED72F61D00; Tue, 29 Jun 2021 02:35:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1624934108; bh=sU0HuV4KjbIrx60Q32gXd86fZZFa3t7Aek70ZXkfMog=; h=Date:From:To:Subject:In-Reply-To:From; b=NkE1j0dBQJIDhlnU6gPxrbES6UUXNVVWWbg+aNioY9GZm4aB2RY0RZSbEOm8kbSVk dnEeRDGQZDJwwK8xV56dnt8+uSDgqtQmxYOveqK5bM1oMGZ/iCFAePFyJU5od+oVez Em9KGwoC3BMjApaaQLBqRgFRgNGo/xyF1f+UGrz4= Date: Mon, 28 Jun 2021 19:35:07 -0700 From: Andrew Morton To: akpm@linux-foundation.org, linux-mm@kvack.org, mm-commits@vger.kernel.org, tangbin@cmss.chinamobile.com, torvalds@linux-foundation.org, zhangshengju@cmss.chinamobile.com Subject: [patch 035/192] tools/vm/page_owner_sort.c: check malloc() return Message-ID: <20210629023507.bxBh2LOcT%akpm@linux-foundation.org> In-Reply-To: <20210628193256.008961950a714730751c1423@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Tang Bin Subject: tools/vm/page_owner_sort.c: check malloc() return Link: https://lkml.kernel.org/r/20210506131402.10416-1-tangbin@cmss.chinamobile.com Signed-off-by: Zhang Shengju Signed-off-by: Tang Bin Signed-off-by: Andrew Morton --- tools/vm/page_owner_sort.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/tools/vm/page_owner_sort.c~tools-vm-page_owner_sortc-fix-the-potential-stack-overflow-risk +++ a/tools/vm/page_owner_sort.c @@ -132,6 +132,10 @@ int main(int argc, char **argv) qsort(list, list_size, sizeof(list[0]), compare_txt); list2 = malloc(sizeof(*list) * list_size); + if (!list2) { + printf("Out of memory\n"); + exit(1); + } printf("culling\n"); _